English Slang Collection：

　　food coma

　　[释] the feeling of tiredness after eating a large meal;

　　[例] The big cheese burger I ate put me into a food coma.;

　　foot-in-mouth disease

　　[释] to say inappropriate things;

　　[例] Don't take my words seriously, I just got foot-in-mouth disease.

　　footloose and fancy-free

　　[释] not in a relationship;

　　[例] I think i'll go abroad, probably go on my own, footloose and fancy-free.;

　　for Christ's sake

　　[释] interjection of annoyance/anger, like dammit;[例] For Christ's sake, can you stop disturbing me?

　　for crying out loud

　　[释] to emphasis something;

　　[例] For crying out loud will you stop playing those drums! It's driving me crazy!;

　　for days

　　[释] for a really long time;

　　[例] Do you really remember the way back to our hotel? We've been lost for days.